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Create a realistic candle effect with NeoPixels #NeoPixel #Trinket @LuckyResistor

Brighten your winter with a NeoPixel Ring programmed with a realistic candle effect. LuckyResistor built this project with an Adafruit Trinket M0 programmed in Arduino. There are several bonuses in the project too: a real-time clock to turn the effect on and off during predefined hours and a supercapacitor to power the clock in case of power loss.

Here I briefly document a very realistic candlelight effect you can build with very few components. It works best if the device is placed in a jar or behind a screen, where the NeoPixel ring is not in direct sight.

You will find all the required information, schema and the firmware to build the device (in the guide).

The software for the effect is in GitHub. There are effects for color adjustments and “air movement.

See the guide for full details and the project in action in the video above.


Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

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